#!/bin/sh

# AM INSTALL SCRIPT VERSION 3.5
set -u
APP=SAMPLE
SITE="REPLACETHIS"

# CREATE DIRECTORIES AND ADD REMOVER
[ -n "$APP" ] && mkdir -p "/opt/$APP/tmp" "/opt/$APP/icons" && cd "/opt/$APP/tmp" || exit 1
printf "#!/bin/sh\nset -e\nrm -f /usr/local/bin/$APP\nrm -R -f /opt/$APP" > ../remove
printf '\n%s' "rm -f /usr/local/share/applications/$APP-AM.desktop" >> ../remove
chmod a+x ../remove || exit 1

# DOWNLOAD AND PREPARE THE APP, $version is also used for updates
version=$(FUNCTION)
wget "$version" || exit 1
# Keep this space in sync with other installation scripts
# Use tar fx ./*tar* here for example in this line in case a compressed file is downloaded.
cd ..
mv ./tmp/* ./"$APP"
# Keep this space in sync with other installation scripts
rm -R -f ./tmp || exit 1
echo "$version" > ./version
chmod a+x ./"$APP" || exit 1

# LINK TO PATH
ln -s "/opt/$APP/$APP" "/usr/local/bin/$APP"

# SCRIPT TO UPDATE THE PROGRAM
cat >> ./AM-updater << 'EOF'
#!/bin/sh
set -u
APP=SAMPLE
SITE="REPLACETHIS"
version0=$(cat "/opt/$APP/version")
version=$(FUNCTION)
[ -n "$version" ] || { echo "Error getting link"; exit 1; }
if [ "$version" != "$version0" ]; then
	mkdir "/opt/$APP/tmp" && cd "/opt/$APP/tmp" || exit 1
	notify-send "A new version of $APP is available, please wait"
	wget "$version" || exit 1
	# Use tar fx ./*tar* here for example in this line in case a compressed file is downloaded.
	cd ..
	mv --backup=t ./tmp/* ./"$APP"
	chmod a+x ./"$APP" || exit 1
	echo "$version" > ./version
	rm -R -f ./*zs-old ./*.part ./tmp ./*~
	notify-send "$APP is updated!"
else
	echo "Update not needed!"
fi
EOF
chmod a+x ./AM-updater || exit 1

# LAUNCHER & ICON\n
./"$APP" --runtime-extract
desktop_files=$(find ./RunDir -type f -wholename *applications*.desktop)
for d in $desktop_files; do grep -q "^Exec=.*$APP" "$d" && mv "$d" ./"$APP".desktop; done
if [ -f ./"$APP".desktop ]; then
	icon_file=$(grep "^Icon=" ./*.desktop | head -1 | cut -c 6-)
	mv "$(find ./RunDir -name "$icon_file.*png" -exec ls -S {} + | head -1)" ./icons/"$APP" || mv "$(find ./RunDir -name "$icon_file.*svg" -exec ls -S {} + | head -1)" ./icons/"$APP"
	sed -i "s#Exec=[^ ]*#Exec=$APP#g; s#Icon=.*#Icon=/opt/$APP/icons/$APP#g" ./"$APP".desktop
	mv ./"$APP".desktop /usr/local/share/applications/"$APP"-AM.desktop
fi
rm -Rf ./RunDir
